<template>
    <div class="header">头部</div>
</template>

<script>
export default {
    
}
</script>

<style>
.header{
    height: 5vh;
    text-align: center;
    border-top: 1px solid #dcdcdc;
    box-sizing: border-box;
    line-height: 5vh;
}
</style>